Can light touching air duct insulation

If I put a 4 inch non ic can light thats 45 watts touching the insualtion around the air duct, what are the chances of the insulation on the air duct catching on fire? Or what other problems may occur?

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Can light touching air duct insulation

Quote:

Originally Posted by gilbert.ayala77

If I put a 4 inch non ic can light thats 45 watts touching the insualtion around the air duct, what are the chances of the insulation on the air duct catching on fire? Or what other problems may occur?

For the purposes of this discussion, you can consider the chance of fire to be 100%. (because no one will know the actual odds, and no one will advise you to put a non-IC-rated fixture in contact with insulation.)

Other problems that may occur:

If the duct vibrates during operation, you'll most likely burn out light bulbs faster.